Quantum information science

Spin qubit quantum computer

The spin qubit quantum computer is a quantum computer based on controlling the spin of charge carriers (electrons and electron holes) in semiconductor devices. The first spin qubit quantum computer was first proposed by Daniel Loss and David P. DiVincenzo in 1997, also known as the Loss–DiVicenzo quantum computer. The proposal was to use the intrinsic spin-½ degree of freedom of individual electrons confined in quantum dots as qubits. This should not be confused with other proposals that use the nuclear spin as qubit, like the Kane quantum computer or the nuclear magnetic resonance quantum computer. Spin qubits so far have been implemented by locally depleting two-dimensional electron gases in semiconductors such a gallium arsenide, silicon and germanium. Spin qubits have also been implemented in graphene. (Wikipedia).

Spin qubit quantum computer
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How Does a Quantum Computer Work?

For more on spin, check out: http://youtu.be/v1_-LsQLwkA This video was supported by TechNYou: http://bit.ly/19bBX5G A quantum computer works in a totally different way from a classical computer. Quantum bits or 'qubits' can exist in a superposition state of both zero and one simultaneousl

From playlist From Transistors to Quantum Computers

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Quantum Transport, Lecture 11: Quantum Bits

Instructor: Sergey Frolov, University of Pittsburgh, Spring 2013 http://sergeyfrolov.wordpress.com/ Summary: DiVincenzo criteria for hardware design of quantum bits, Rabi, Ramsey, spin echo experiments, candidate quantum bit systems. Quantum Transport course development supported in part b

From playlist Quantum Transport

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Qubits and Gates - Quantum Computer Programming w/ Qiskit p.2

Diving deeper into Qubits, what they really are, how to visually represent a qubit, and how quantum gates impact these qubits. Part 1: https://www.youtube.com/watch?v=aPCZcv-5qfA&list=PLQVvvaa0QuDc79w6NcGB0pnoJBgaKdfrW&index=2 Part 3: https://www.youtube.com/watch?v=_BHvE_pwF6E&list=PLQV

From playlist Quantum Computer Programming w/ Qiskit

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Who Has The Best Quantum Computer?

This is a summary of all the main companies building quantum computers today, and what their most powerful machines are. You can get the digital image here: https://www.flickr.com/photos/95869671@N08/51849762629/in/dateposted-public/ But we can’t simply look at qubits counts because so man

From playlist Quantum Physics Videos - Domain of Science

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What is Spin?

Spin in quantum mechanics is an incredibly interesting property. However, it can be very difficult to understand what exactly it is. In this video, we dispel some misconceptions about spin as well as answer some of the more frequently asked questions about spin. #physics #quantum

From playlist Quantum Mechanics

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How To Make a Quantum Bit

How does a transistor work? https://www.youtube.com/watch?v=IcrBqCFLHIY Silicon-28 sphere: http://bit.ly/10J1G2o This episode supported by audible.com: http://bit.ly/ZJ5Q6z We have looked at how a transistor works, the fundamental unit of classical computers, and how a quantum computer wo

From playlist From Transistors to Quantum Computers

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Quantum computers Computing the impossible

Large quantum computers are difficult to build, but they can answer questions too complicated for conventional computation, unlocking new research possibilities in fields like protein modeling and data encryption. This video was reproduced with permission and was first published on March

From playlist Computers

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Time-domain multiplexed measurement-based (...) - A. Furusawa - PRACQSYS 2018 - CEB T2 2018

Akira Furusawa (Department of Applied Physics, School of Engineering, The University of Tokyo, Japan) / 04.07.2018 Time-domain multiplexed measurement-based quantum computing for large-scale optical quantum computing There are two types of qubits, stationary and flying qubits. Stationary

From playlist 2018 - T2 - Measurement and Control of Quantum Systems: Theory and Experiments

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What is the "spin" of a particle?

“Spin” is one of the core building blocks of quantum reality, but it is a subtle concept to grasp. Here’s Brian Greene with one way to think about it. Subscribe to our YouTube Channel for all the latest from World Science U. Visit our Website: http://www.worldscienceu.com/ Like us on Fac

From playlist Science Unplugged: Quantum Mechanics

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Introduction to Solid State Physics, Lecture 23: Quantum Computing Principles

Upper-level undergraduate course taught at the University of Pittsburgh in the Fall 2015 semester by Sergey Frolov. The course is based on Steven Simon's "Oxford Solid State Basics" textbook. Lectures recorded using Panopto, to see them in Panopto viewer follow this link: https://pitt.host

From playlist Introduction to Solid State Physics

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Quantum Transport, Lecture 18: Coupled Qubits

Instructor: Sergey Frolov, University of Pittsburgh, Spring 2013 http://sergeyfrolov.wordpress.com/ Summary: experiments on two and more coupled flux qubits, transmons, and spin qubits. Quantum Transport course development supported in part by the National Science Foundation under grant DM

From playlist Quantum Transport

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Why Quantum Computing Is Relevant For Developers

Will quantum computing ever become a reality, making existing software developers obsolete? This video is an excerpt from "Exploring Quantum Computing Concepts Using Java Applications" by Johan Vos. Visit http://mng.bz/698D to watch the full video. 📚📚📚 This video references the book Qua

From playlist Java

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Introduction to Quantum Information and Computing by Barry Sanders

Dates: Thursday 03 Jan, 2013 - Saturday 05 Jan, 2013 Venue: ICTS-TIFR, IISc Campus, Bangalore The school aims to provide students and researchers an introduction to the field of quantum information, computation and communication. Topics that will be covered include introduction to quantu

From playlist Mini Winter School on Quantum Information and Computation

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Spin Qubits by Guido Burkard

Open Quantum Systems DATE: 17 July 2017 to 04 August 2017 VENUE: Ramanujan Lecture Hall, ICTS Bangalore There have been major recent breakthroughs, both experimental and theoretical, in the field of Open Quantum Systems. The aim of this program is to bring together leaders in the Open Q

From playlist Open Quantum Systems

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Quantum Transport, Lecture 12: Spin Qubits

Instructor: Sergey Frolov, University of Pittsburgh, Spring 2013 http://sergeyfrolov.wordpress.com/ Summary: single spin qubits and singlet-triplet qubits in group III-V semiconductor quantum dots, and silicon-based structures. Quantum Transport course development supported in part by the

From playlist Quantum Transport

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Quantum Transport, Lecture 19: Quantum Outlook

Instructor: Sergey Frolov, University of Pittsburgh, Spring 2013 http://sergeyfrolov.wordpress.com/ Summary: surface code, d-wave quantum computer, topological quantum computation. Quantum Transport course development supported in part by the National Science Foundation under grant DMR CAR

From playlist Quantum Transport

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From bits to qubits: a quantum leap for computers by Susan Coppersmith

DISTINGUISHED LECTURES FROM BITS TO QUBITS: A QUANTUM LEAP FOR COMPUTERS SPEAKER: Susan Coppersmith (University of Wisconsin-Madison, Wisconsin) DATE: 26 September 2018, 16:00 to 17:00 VENUE: Ramanujan Lecture Hall, ICTS Bangalore The steady increase in computational power of informa

From playlist DISTINGUISHED LECTURES

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Qubit Regularization of Asymptotic Freedom by Shailesh Chandrasekharan

PROGRAM Nonperturbative and Numerical Approaches to Quantum Gravity, String Theory and Holography (ONLINE) ORGANIZERS: David Berenstein (UCSB), Simon Catterall (Syracuse University), Masanori Hanada (University of Surrey), Anosh Joseph (IISER, Mohali), Jun Nishimura (KEK Japan), David Sc

From playlist Nonperturbative and Numerical Approaches to Quantum Gravity, String Theory and Holography (Online)

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‘Hot’ Qubits Crack a Major Quantum Computing Challenge

Researchers might have broken one of the biggest obstacles to practical quantum computers with something called ‘hot’ qubits. » Subscribe to Seeker! http://bit.ly/subscribeseeker » Watch more Elements! http://bit.ly/ElementsPlaylist » Visit our shop at http://shop.seeker.com As many of yo

From playlist Elements | Seeker

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Charge carrier | Quantum logic gate | Boltzmann constant | Nuclear magnetic resonance quantum computer | DiVincenzo's criteria | Controlled NOT gate | Kane quantum computer | Electron | Spin (physics) | Quantum dot cellular automaton | Electron hole | Quantum decoherence